<template>
    <div class="dashboard-container">
        <div class="app-container">
            <page-tools :show-before="true">
                <span slot="before">共{{ page.total }}条记录</span>
                <template slot="after">
                    <el-button size="small" type="warning" @click="$router.push('/import?type=user')">导入</el-button>
                    <el-button size="small" type="danger" @click="exportData">导出</el-button>
                    <el-button size="small" type="primary" @click="showDialog = true">新增员工</el-button>
                </template>
            </page-tools>
            <!-- 放置表格和分页 -->
            <el-card v-loading="loading">
                <el-table border :data="list">
                    <el-table-column label="序号" sortable="" type="index" />
                    <el-table-column label="姓名" sortable="" prop="username" />
                    <el-table-column label="手机号" sortable="" prop="mobile" />
                    <el-table-column label="工号" sortable="" prop="workNumber" />
                    <el-table-column label="聘用形式" sortable="" :formatter="formatEmployment" prop="formOfEmployment" />
                    <el-table-column label="部门" sortable="" prop="departmentName" />
                    <el-table-column label="入职时间" sortable="" prop="timeOfEntry">
                        <template slot-scope="{ row }">{{ row.timeOfEntry | formatDate }}</template>
                    </el-table-column>
                    <el-table-column label="账户状态" align="center" sortable="" prop="enableState">
                        <template slot-scope="{ row }">
                            <!-- 根据当前状态来确定 是否打开开关 -->
                            <el-switch :value="row.enableState === 1" />
                        </template>
                    </el-table-column>
                    <el-table-column label="操作" sortable="" fixed="right" width="280">
                        <template slot-scope="{ row }">
                            <el-button type="text" size="small" :disabled="!checkPermission('POINT-USER-UPDATE')"  @click="$router.push(`/employees/detail/${row.id}`)">查看</el-button>
                            <el-button type="text" size="small">转正</el-button>
                            <el-button type="text" size="small">调岗</el-button>
                            <el-button type="text" size="small">离职</el-button>
                            <el-button type="text" size="small" @click="editRole(row.id)">角色</el-button>
                            <el-button type="text" size="small" @click="deleteEmployee(row.id)">删除</el-button>
                        </template>
                    </el-table-column>
                </el-table>
                <!-- 分页组件 -->
                <el-row type="flex" justify="center" align="middle" style="height: 60px">
                    <el-pagination layout="prev, pager, next" :page-size="page.size" :current-page="page.page" :total="page.total" @current-change="changePage" />
                </el-row>
            </el-card>
           
        </div>
        <!-- 放置新增组件 -->
        <add-employee :show-dialog.sync="showDialog"></add-employee>
        <!-- 放置分配组件 -->
        <assign-role ref="assignRole" :show-role-dialog.sync="showRoleDialog" :user-id="userId" />
    </div>
</template>

<script>
import { getEmployeeList, delEmployee } from '@/api/employees'
import EmployeeEnum from '@/api/constant/employees'
import AddEmployee from './components/add-employee'
import AssignRole from './components/assign-role'
import { formatDate } from '@/filters'

export default {
    //name: 'employees',
    components: { AddEmployee, AssignRole },
    data () {
        return {
            loading: false,
            list: [], // 接数据的
            page: {
                page: 1, // 当前页码
                size: 10,
                total: 0 // 总数
            },
            showDialog: false,
            showRoleDialog: false, // 显示分配角色弹层
            userId: null,
        }
    },

    created () {
        console.log(this.$router)
        this.getEmployeeList()
    },

    methods: {
        /**
         * @description 分配角色
         * @author Yong
         * @function    editRole
         * @param  {*}  id 当前用户所拥有的角色id
         * @return {*}  返回值
         * @date 2021-09-10 21:58:09
         */
        async editRole(id) {
            // 弹出层
            this.userId = id // props赋值 props赋值渲染异步的
            await this.$refs.assignRole.getUserDetailById(id) // 调用子组件方法 异步方法
            this.showRoleDialog = true // 弹层
        },

        /**
         * @description: 改变页数-获取对应页数数据
         * @author: Yong
         * @function   changePage
         * @param {*}  newPage
         * @return {*} 
         * @date: 2021-05-17 09:44:09
         */

        changePage (newPage) {
            this.page.page = newPage
            this.getEmployeeList()
        },

        /**
         * @description: 获取员工列表数据
         * @author: Yong
         * @function   getEmployeeList
         * @param {*}  参数
         * @param {*}  参数
         * @return {*} 
         * @date: 2021-05-17 10:33:22
         */

        async getEmployeeList () {
            this.loading = true
            const { total, rows } = await getEmployeeList(this.page)
            this.page.total = total
            this.list = rows
            this.loading = false
        },

        /**
         * @description: 格式化聘用形式
         * @author: Yong
         * @function   formatEmployment
         * @param {*}  row
         * @param {*}  colum
         * @param {*}  cellValue
         * @param {*}  index
         * @return {*} 
         * @date: 2021-05-18 10:01:35
         */

        formatEmployment (row, colum, cellValue, index) {
            const obj = EmployeeEnum.hireType.find(item => item.id === cellValue)
            return obj ? obj.value : '未知'
        },

        /**
         * @description:删除员工
         * @author: Yong
         * @function   deleteEmployee
         * @param {*}  id
         * @param {*}  参数
         * @return {*} 
         * @date: 2021-05-20 14:35:43
         */

        async deleteEmployee (id) {
            try {
                await this.$confirm('您确定删除该员工吗')
                await delEmployee(id)
                this.getEmployeeList()
                this.$message.success('删除员工成功')
            } catch (error) {
                console.log(error)
            }
        },

        /**
         * @description: 导出excel
         * @author: Yong
         * @function   exportData
         * @param {*}  参数
         * @param {*}  参数
         * @return {*} 
         * @date: 2021-05-20 14:58:08
         */
        
        exportData () {
            const headers = {
                '姓名': 'username',
                '手机号': 'mobile',
                '入职日期': 'timeOfEntry',
                '聘用形式': 'formOfEmployment',
                '转正日期': 'correctionTime',
                '工号': 'workNumber',
                '部门': 'departmentName'
            }
            // 懒加载导出excel方法
            import('@/vendor/Export2Excel').then(async excel => {
                // 1.获取要导出的所有数据
                const { rows } = await getEmployeeList({ page: 1, size: this.page.total })
                // 2.将数据转化为符合导出excel格式的数据
                const data = this.formatJson(headers, rows)
                // 3.设置表头
                const multiHeader = [['姓名', '主要信息', '', '', '', '', '部门']]
                // 4.需要合并的单元格
                const merges = ['A1:A2', 'B1:F1', 'G1:G2']
                // 5.调用方法
                excel.export_json_to_excel({
                    header: Object.keys(headers),
                    data,
                    filename: '员工资料表',
                    multiHeader,    // 复杂表头
                    merges          // 合并选项
                })

                // excel.export_json_to_excel({
                //   header: ['姓名', '工资'],
                //   data: [['张三', 3000], ['李四', 5000]],
                //   filename: '员工工资表'
                // })
                // [{ username: '张三',mobile: 13112345678 }]  => [[]]
                // 要转化 数据结构 还要和表头的顺序对应上
                // 要求转出的标题是中文
            })
        },

        /**
         * @description: 将数据转化为符合导出excel格式的数据 [['张三', 3000], ['李四', 5000]]
         * @author: Yong
         * @function   formatJson
         * @param {*}  headers  表头
         * @param {*}  rows     数据
         * @return {*} 
         * @date: 2021-05-20 14:55:13
         */
        
        formatJson (headers, rows) {
            return rows.map(item => {
                // item是一个对象  { mobile: 132111,username: '张三'  }
                // ["手机号", "姓名", "入职日期" 。。]
                return Object.keys(headers).map(key => {
                    // 需要判断 字段
                    if (headers[key] === 'timeOfEntry' || headers[key] === 'correctionTime') {
                        // 格式化日期
                        return formatDate(item[headers[key]])
                    } else if (headers[key] === 'formOfEmployment') {
                        // 格式化聘用字段
                        const obj = EmployeeEnum.hireType.find(obj => obj.id === item[headers[key]])
                        return obj ? obj.value : '未知'
                    }
                    return item[headers[key]]
                })
            })
            // return rows.map(item => Object.keys(headers).map(key => item[headers[key]])) 一行写完当前代码
        }
    },
}
</script>

<style lang='scss'>
</style>